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<meta name="Author" content="Mark Danks">
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<title>List of GEM objects</title>
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<center>
<h2>
<u>List of GEM objects</u></h2></center>
<a href="#Controls">Controls</a>
<br><a href="#Manips">Manipulators</a>
<br><a href="#Geos">Geos</a>
<br><a href="#Particles">Particles</a>
<br><a href="#Nongeos">Nongeos</a>
<br><a href="#Pixes">Pixes</a>
<br><a href="#MarkEx">MarkEx</a>
<br><a href="#SGINTonly">SGI/NT only</a>
<p>
<hr WIDTH="100%"><a NAME="Controls"></a><i><u>Controls</u></i>
<br>camera - the "view" into the world
<br>gemhead - the start of rendering chain
<br>gemwin - the window manager
<br>render_trigger - outputs a bang when the chain renders
<br>gemmouse - outputs the mouse position and buttons in the GEM window
<br>gemorb - outputs the position, rotation, and buttons for a Space Orb
<br>gemtablet - outputs the pen position, pressure, and buttons in the
GEM window
<p>
<hr WIDTH="100%">
<br><a NAME="Manips"></a><i><u>Manipulators</u></i>
<br>accumrotate - accumulate a rotation
<br>alpha - enable/disable alpha blending
<br>color - set the color with a vector
<br>colorRGB - set the color with 3 discrete values
<br>depth - enable/disable depth testing
<br>linear_path - generate a path from an array of points
<br>ortho - change the view to orthogonal, with the viewport the size of
the window
<br>rotate - rotate with an angle and vector
<br>rotateXYZ - rotate with 3 discrete values
<br>scale - scale with a vector
<br>scaleXYZ - scale with 3 discrete values
<br>separator - push the OpenGL state for the rest of the chain and pop
when done
<br>spline_path - generate a spline from an array of knots
<br>translate - translate with a vector
<br>translateXYZ - translate with 3 discrete values
<p><a NAME="Geos"></a><i><u>Geos</u></i>
<br>circle - render a circle
<br>cone - render a cone
<br>cube - render a cube
<br>curve - render a Bezier curve
<br>imageVert - make pixel colors to a height field map
<br>model - render an Alias|Wavefront model
<br>multimodel - render a series of Alias|Wavefront models, render by number
<br>polygon - render a polygon
<br>sphere - render a sphere
<br>square - render a square
<br>text2d - render 2-D text (a bitmap)
<br>text3d - render 3-D text (polygonal)
<br>textoutline - render outlined text (polygonal)
<br>triangle - render a triangle
<p><a NAME="Particles"></a><i><u>Particles</u></i>
<br>part_head - The start of a particle group
<br>part_color - Set the range of colors for the new particles
<br>part_size - Set the size of new particles
<br>part_velsphere - Set the velocity based on a sphere distribution
<br> You need 4 args - xvel, yvel, zvel, and radius
<br>part_velcone - Set the velocity based on a cone distribution
<br>part_source - Generate particles
<br>part_follow - Particles will follow each other like a snake
<br>part_gravity - Have the particles accelerate in a direction
<br>part_killold - Remove particles past a certain age
<br>part_killslow - Remove particles below a certain speed
<br>part_orbitpoint - Orbit the particles around a specified point
<br>part_draw - Apply the actions and render the particles. Accepts
a
<br> message "draw line" or "draw point" to change the drawing style.
<p><a NAME="Nongeos"></a><i><u>Nongeos</u></i>
<br>light - make a point light
<br>world_light - make a light at infinity
<p><a NAME="Pixes"></a><i><u>Pixes</u></i>
<br>pix_2grey - convert rgb pixels to grey (still an RGBA image)
<br>pix_alpha - set the alpha value of a pix
<br>pix_add - add two pixes together
<br>pix_bitmask - apply a bitmask to a pix
<br>pix_buf - buffer a pix
<br>pix_color - set the color of a pix (leaving alpha alone)
<br>pix_composite - composite two pixes together
<br>pix_convolve - convolve a pix with a kernal
<br>pix_coordinate - set the texture coordinates
<br>pix_data - get pixel data information
<br>pix_draw - draw a pix
<br>pix_flip - flip the pixels of a pix
<br>pix_gain - apply a gain to a pix
<br>pix_image - load in an image file
<br>pix_invert - invert a pix
<br>pix_mask - mask a pix based on another pix
<br>pix_multiply - multiply two pixes
<br>pix_multiimage - load in a series of image files, display by number
<br>pix_resize - resize a pix to next power of 2
<br>pix_snap - capture the render window into a pix
<br>pix_subtract - subtract two pixes
<br>pix_texture - use a pix as a texture map
<br>pix_threshold - apply a threshold to a pix
<br>pix_zoom - zoom into a pix (using OpenGL)
<p><a NAME="MarkEx"></a><i><u>MarkEx</u></i>
<br>alternate - alternate between two outlets
<br>average - average a sequence of numbers
<br>change - only output on change
<br>counter - count bangs
<br>invert - non-zero numbers to zero, zero to 1
<br>multiselect/multisel - a select object which accepts a list in the
right inlet
<br>oneshot - send a bang, then block until reset
<br>randomF / randF - floating point random numbers
<br>strcat - string concatentation
<br>tripleLine - do a line with three numbers
<br>tripleRand - random with three numbers
<br>vector+ / v+ - add a scalar to a vector
<br>vector- / v- - subtract a scalar from a vector
<br>vector* / v* - multiply a vector by a scalar
<br>vector/ / v/ - divide a vector by a scalar
<br>vectorpack / vpack - attach a scalar to the end of a vector
<br>rgb2hsv - convert a list of three floats from RGB to an HSV value
<br>hsv2rgb - convert a list of three floats from HSV to an RGB value
<br>abs~ - absolute value of a signal
<br>reson~ - resonant filter
<p><a NAME="SGINTonly"></a><i><u>SGI and NT only</u></i>
<br>pix_video - use a video camera as a pix source
<p><i><u>NT only</u></i>
<br>pix_movie - use a movie file as a pix source
<p><a href="index.html">[return]</a>
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